Granted Patent
Utility
US 6,497,232 · App. 09/981,576
Respirator headpiece and release mechanism
Inventors:
Keith Fecteau, David G. Honan, Kevin M. Krauss, Alan R. Levin
Patented Case
View Patent ↗
Granted: Dec 24, 2002
Filed: Oct 16, 2001
Inventors
Keith Fecteau
David G. Honan
Kevin M. Krauss
Alan R. Levin
Assignee (at issue)
Cabot Safety Intermediate LLC
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.